x+7x=9x

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Solution for x+7x=9x equation: 


Simplifying
x + 7x = 9x

Combine like terms: x + 7x = 8x
8x = 9x

Solving
8x = 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-9x' to each side of the equation.
8x + -9x = 9x + -9x

Combine like terms: 8x + -9x = -1x
-1x = 9x + -9x

Combine like terms: 9x + -9x = 0
-1x = 0

Divide each side by '-1'.
x = 0

Simplifying
x = 0

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